package com.qf.service.impl;

import com.qf.service.UserService;

public class UserServiceImpl implements UserService {
    @Override
    public void save() {
        System.out.println("save............");
    }

    @Override
    public int update() {
        System.out.println("update............");
        return 1;
    }

    @Override
    public int delete(Integer id) {
        System.out.println("delete..........." + id);
        return id;
    }

    @Override
    public String echo(String str) {
        System.out.println("echo.........." + str);
        return str;
    }
}
